import cv2 as cv
import numpy as np
cap =cv.VideoCapture(0)
while(1):
   _,frame = cap.read()# Convert BGR to HSV
   hsv=cv.cvtColor(frame,cv.COLOR_BGR2HSV)
   # define range of blue color in HsV
   lower_blue = np.array([110,50,50])
   upper_blue = np.array([130,255,255])
   # Threshold the Hsv image to get only ble colorsmask
   mask=cv.inRange(hsv,lower_blue, upper_blue)# Bitwise-AND mask and original
   res=imageres =cv.bitwise_and(frame,frame, mask = mask)
   cv.imshow('frame',frame)
   cv.imshow('mask', mask)
   cv.imshow('res', res)
   k=cv.waitKey(5)  & 0xFF
   if k == 27:
        break
cv.destroyAllWindows()